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(: Test: K-ConcatFunc-8                                  :)
(: Written by: Frans Englich                             :)
(: Date: 2007-11-22T11:31:22+01:00                       :)
(: Purpose: A test whose essence is: `concat(1, 2, 3) eq "123"`. :)
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concat(1, 2, 3) eq "123"